47984540 has 24 divisors (see below), whose sum is σ = 106695792. Its totient is φ = 18064640.

The previous prime is 47984539. The next prime is 47984549. The reversal of 47984540 is 4548974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47984549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70226 + ... + 70905.

It is an arithmetic number, because the mean of its divisors is an integer number (4445658).

Almost surely, 2^47984540 is an apocalyptic number.

It is an amenable number.

47984540 is an abundant number, since it is smaller than the sum of its proper divisors (58711252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47984540 is a wasteful number, since it uses less digits than its factorization.

47984540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141157 (or 141155 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 47984540 is about 6927.0874110264. The cubic root of 47984540 is about 363.3850967595.

The spelling of 47984540 in words is "forty-seven million, nine hundred eighty-four thousand, five hundred forty".